I appreciate your thoughts and for going through the steps above, @Madhattercat.

As of now, we're unable to select landscape or portrait when printing Management Reports in QuickBooks Online (QBO).

QBO will automatically adjust the orientation of the report base on the content of its content. Rest assured, I'll submit this feature request on your behalf to our product engineers so they'll consider adding this in the future.

In the meantime, I recommend visiting our QuickBooks Blog page. From there, you'll learn more about the latest news and updates in QBO.

I've also added this article that can guide you in customizing reports in QBO. That way, you'll learn how to generate reports to show the data you need: Customize reports in QuickBooks Online

You're always welcome to post here anytime you have other questions or concerns. Have a great day!